Virtual tours are simulations of a location using still images. Virtual tours are becoming increasingly popular using a 360 Degree photographic virtual tour photography for commercial business to showcase their businesses on the internet. Virtual tours is increasing in demand from realtors and brokers needing a 360 degree real estate tour of their products and properties, although the demand is not limited to realtors only, and many conference facilities, hotels and establishments are making use of this advanced technology to market their venues. The process of stitching is used in making still photographic tours in three methods. Providing either a 360 cylindrical image focused around the horizon line by stitching a series of still photographs that are usually taken in portrait position together to make single rectangular picture, a full spherical 360 X 360 floor to ceiling view of any scene using a fish eye lens to take four pictures with just 4 shots.<a href="http://nieruchomosc3d.pl">Wirtualne wycieczki</a>